Home / 1,343,679.84-2,015,804.07-445,070.70

Finding the Fourth Proportional to 1,343,679.84, 2,015,804.07 and 445,070.70

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Solution

The fourth proportional to 1,343,679.84, 2,015,804.07 and 445,070.70 is: 667,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,679.84 : 2,015,804.07 = 445,070.70 : x
  2. Step 2: Convert to fraction form
    1,343,679.84/2,015,804.07 = 445,070.70/x
  3. Step 3: Cross multiply
    1,343,679.84x = 2,015,804.07 × 445,070.70
  4. Step 4: Simplify right side
    1,343,679.84x = 897,175,328,497.75
  5. Step 5: Solve for x
    x = 897,175,328,497.75/1,343,679.84
  6. Step 6: Final answer
    x = 667,700.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.